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ERd_Metal-Ore

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CP Assessment

What happens in an iron refinery?
  • A: The rock is heated and oxygen added until the iron melts.
  • B: The rock is heated until the iron atoms break their bonds with oxygen.
  • C: The rock is heated until the iron atoms bond together with oxygen.

Honors Assessment

What happens in an iron refinery?
  • A: The rock is heated and oxygen added until the iron melts.
  • B: The rock is heated until the iron atoms break their bonds with oxygen.
  • C: The rock is heated until the iron atoms bond together with oxygen.
  • D: Wait! Iron is acquired through recycling. Rocks have nothing to do with it!